One strength of item response theory compared to classical test theory is that IRT statistics estimated from one population can be compared to statistics collected from a different population. This property is called _________.

Question

Quizplus · Accepted Answer

Parameter invariance is a fundamental property of item response theory (IRT) that allows for the comparison of test statistics across different populations, as the item parameters are assumed to be the same regardless of the sample from which they were estimated.

One Strength of Item Response Theory Compared to Classical Test